21374128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43093}}^1$

素因数の和:43132

約数の個数: 20

約数和(自身を含む): 42749248

約数和(自身を除く): 21375120

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43093, 86186, 172372, 344744, 689488, 1335883, 2671766, 5343532, 10687064, 21374128]

約数ペア:

[(1, 21374128), (2, 10687064), (4, 5343532), (8, 2671766), (16, 1335883), (31, 689488), (62, 344744), (124, 172372), (248, 86186), (496, 43093)]